Radio frequency signal detection by ballistic transport in Y-shaped graphene nanoribbons

Details Radio frequency signal detection by ballistic transport in Y-shaped graphene nanoribbons Radio frequency signal detection by ballistic transport in Y-shaped graphene nanoribbons

2012-03-08

arxiv.org/abs/1203.1773v1

Physics

Condensed Matter

Materials Science

Scientific paper

We report on the fabrication and room temperature measurements of a high frequency electrical signal detector. The device is based on the ballistic transport in graphene to detect a high frequency signal. The observed response is linear in the considered power range (-40dBm - 0dBm) and exhibits a sensitivity as high as 10 Volts/Watt. Finally the device detected signals up to 50GHz with a maximum response at 10GHz. This device outperforms any previously reported carbon based detectors in frequency response and compares to current state of the art Schottky based detectors in dynamic range.

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